Changsha elevator maintenance步骤

① Observe the display content of the elevator exterior guard screen;

② Determine the floor where the car is, the state of the door, and open the door in place？Not in place？loose？Close the door in place？等；

③ The level of the car, level？A few centimeters above the level？Step out of the car a few centimeters？等；

④ If a door is open, it must be closed to prevent irrelevant personnel from entering and causing injury;

⑤ Determine whether the fault is a door fault. If the fault is unknown, go to the equipment room and check.

⑥ Enter the equipment room, first of all, simply check the appearance of the driver host and the speed limiter.

7 Check the control cabinet, first check the peripheral circuit, such as, the user's power supply;Check the elevator indicator light or contactor to determine whether the safety circuit and door lock are normal;

If there is no problem with the peripheral line, view the fault code displayed on the motherboard or use the operator to view the fault code, combined with the fault code, analyze the cause of the elevator failure;

⑨ You can try to start a local or fast car in the machine room to analyze the cause of the failure。Note that when the express train is running, it is necessary to prohibit the opening of the car door to prevent passengers from entering;

⑩ When the elevator has a soft fault, it is necessary to observe the phenomenon and law of the elevator failure, for example, every time there is a failure when the load is unloaded;Or every time is the startup failure;

Substitution of parts of the same type and parameters if there is any suspicion of problems;

⑫ A restored elevator must be taken several times before it can be put into use;When the cause of the fault is not sure, the car door should be closed to prevent passengers from entering before the elevator can be run。